//计算CRC
private void crcbtn_Click(object sender, EventArgs e)
{
string str;
char ls;
crctext.Text = string.Empty;
if (modecheck.Checked)
{
sourcebox.Text.Replace(" ", "");
str = CRCHelper.ConvertAsciiToChar(sourcebox.Text);
if (str == null)
{
return;
}
ushort crcnum = CRCHelper.CRC16(str);
str = crcnum.ToString("X", NumberFormatInfo.InvariantInfo);
str = str.PadLeft(4, '0');
crctext.Text = str;
databox.Clear();
databox.Text = sourcebox.Text + crctext.Text;
}
else
{
ushort crcnum = CRCHelper.CRC16(sourcebox.Text);
ls = (char)((crcnum & 0xFF00) >> 8);
crctext.Text += ls.ToString();
ls = (char)(crcnum & 0xFF);
crctext.Text += ls.ToString();
databox.Clear();
databox.Text = sourcebox.Text + crctext.Text;
}
}
